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18NM NW Galveston TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:28 am CDT Mar 18, 2026
Forecast Valid: 5am CDT Mar 18, 2026-6pm CDT Mar 24, 2026

Today

S wind around 10 kt. Partly sunny, then gradually becoming sunny. Seas 1 ft or less.

Tonight

SSE wind 5 to 10 kt becoming SSW after midnight. Mostly clear. Seas 1 ft or less.

Thursday

SW wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas 1 ft or less.

Thursday Night

SW wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.

Friday

SW wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Friday Night

SSW wind around 10 kt. Mostly clear. Seas 1 ft or less.

Saturday

SSW wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Saturday Night

SSW wind around 10 kt. Clear. Seas 1 ft or less.

Sunday

SSW wind 5 to 15 kt. Sunny. Seas 1 ft or less.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.